Dogcows Code - chaz/openbox/blob - src/openbox.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2 #ifndef   __openbox_hh
   3 #define   __openbox_hh
   4
   5 /*! @file openbox.hh
   6   @brief The main class for the Openbox window manager
   7 */
   8
   9 extern "C" {
  10 #include <X11/Xlib.h>
  11 }
  12
  13 #include <string>
  14 #include <vector>
  15 #include <map>
  16
  17 #include "otk/screeninfo.hh"
  18 #include "otk/timerqueuemanager.hh"
  19 #include "otk/property.hh"
  20 #include "xeventhandler.hh"
  21 #include "client.hh"
  22
  23 namespace ob {
  24
  25 //! The main class for the Openbox window manager.
  26 /*!
  27   Only a single instance of the Openbox class may be used in the application. A
  28   pointer to this instance is held in the Openbox::instance static member
  29   variable.
  30   Instantiation of this class begins the window manager. After instantiation,
  31   the Openbox::eventLoop function should be called. The eventLoop method does
  32   not exit until the window manager is ready to be destroyed. Destruction of
  33   the Openbox class instance will shutdown the window manager.
  34 */
  35 class Openbox
  36 {
  37 public:
  38   //! The single instance of the Openbox class for the application.
  39   /*!
  40     Since this variable is globally available in the application, the Openbox
  41     class does not need to be passed around to any of the other classes.
  42   */
  43   static Openbox *instance;
  44
  45   //! The posible running states of the window manager
  46   enum RunState {
  47     State_Starting, //!< The window manager is starting up (being created)
  48     State_Normal,   //!< The window manager is running in its normal state
  49     State_Exiting   //!< The window manager is exiting (being destroyed)
  50   };
  51
  52   //! A map for looking up a specific client class from the window id
  53   typedef std::map<Window, OBClient *> ClientMap;
  54
  55 private:
  56   // stuff that can be passed on the command line
  57   //! Path to the config file to use/in use
  58   /*!
  59     Defaults to $(HOME)/.openbox/rc3
  60   */
  61   std::string _rcfilepath;
  62   //! Path to the menu file to use/in use
  63   /*!
  64     Defaults to $(HOME)/.openbox/menu3
  65   */
  66   std::string _menufilepath;
  67   //! The display requested by the user, or null to use the DISPLAY env var
  68   char *_displayreq;
  69   //! The value of argv[0], i.e. how this application was executed
  70   char *_argv0;
  71
  72   //! A list of all managed clients
  73   ClientMap _clients;
  74
  75   //! Manages all timers for the application
  76   /*!
  77     Use of the otk::OBTimerQueueManager::fire funtion in this object ensures
  78     that all timers fire when their times elapse.
  79   */
  80   otk::OBTimerQueueManager _timermanager;
  81
  82   //! The class which will handle raw XEvents
  83   OBXEventHandler _xeventhandler;
  84
  85   //! Cached atoms on the display
  86   /*!
  87     This is a pointer because the OBProperty class uses otk::OBDisplay::display
  88     in its constructor, so, it needs to be initialized <b>after</b> the display
  89     is initialized in this class' constructor.
  90   */
  91   otk::OBProperty *_property;
  92
  93   //! The running state of the window manager
  94   RunState _state;
  95
  96   //! When set to true, the Openbox::eventLoop function will stop and return
  97   bool _doshutdown;
  98
  99   //! Parses the command line used when executing this application
 100   void parseCommandLine(int argv, char **argv);
 101   //! Displays the version string to stdout
 102   void showVersion();
 103   //! Displays usage information and help to stdout
 104   void showHelp();
 105
 106   //! Handles signal events for the application
 107   static void signalHandler(int signal);
 108
 109 public:
 110   //! Openbox constructor.
 111   /*!
 112     \param argc Number of command line arguments, as received in main()
 113     \param argv The command line arguments, as received in main()
 114   */
 115   Openbox(int argc, char **argv);
 116   //! Openbox destructor.
 117   virtual ~Openbox();
 118
 119   //! Returns the state of the window manager (starting, exiting, etc)
 120   inline RunState state() const { return _state; }
 121
 122   //! Returns the otk::OBTimerQueueManager for the application
 123   /*!
 124     All otk::OBTimer objects used in the application should be made to use this
 125     otk::OBTimerQueueManager.
 126   */
 127   inline otk::OBTimerQueueManager *timerManager() { return &_timermanager; }
 128
 129   inline const otk::OBProperty *property() const { return _property; }
 130
 131   //! The main function of the Openbox class
 132   /*!
 133     This function should be called after instantiating the Openbox class.
 134     It loops indefinately while handling all events for the application.
 135     The Openbox::shutdown method will cause this function to exit.
 136   */
 137   void eventLoop();
 138
 139   //! Adds an OBClient to the client list for lookups
 140   void addClient(Window window, OBClient *client);
 141
 142   //! Removes an OBClient from the client list for lookups
 143   void removeClient(Window window);
 144
 145   //! Finds an OBClient based on its window id
 146   OBClient *findClient(Window window);
 147
 148   //! Requests that the window manager exit
 149   /*!
 150     Causes the Openbox::eventLoop function to stop looping, so that the window
 151     manager can be destroyed.
 152   */
 153   inline void shutdown() { _doshutdown = true; }
 154 };
 155
 156 }
 157
 158 #endif // __openbox_hh